10-27-2011
reading file,looping and limitation
I have 2 functions on AIX.
Func_A () {
....
....
}
Func_B () {
....
....
}
And I have a abc.txt file (multiple lines) and I would like to read line by line and pass line by line to Func_A & Func_B.
once Func_A is done,pass same value to Func_B and in the mean time get second line from txt file and pass it to Func_A
and only 4 lines can be active any given moment.
Example
line_1 --> Func_A (done) ---> continue with Func_B (processing)
line_2 --> Func_A (done) ---> continue with Func_B (processing)
line_3 --> Func_A (done) ---> continue with Func_B (processing)
line_4 --> Func_A (done) ---> continue with Func_B (processing)
I want to wait until func_B is done for line_1 before I continue reading the line_5. Please let me know if I am not explain well?
Appreciate all the help in advance. Thanks
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line(1) User Commands line(1)
NAME
line - read one line
SYNOPSIS
line
DESCRIPTION
The line utility copies one line (up to and including a new-line) from the standard input and writes it on the standard output. It returns
an exit status of 1 on EOF and always prints at least a new-line. It is often used within shell files to read from the user's terminal.
EXIT STATUS
Exit status is:
0 Successful completion
>0 End-of-file on input.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
SEE ALSO
sh(1), read(2), attributes(5)
SunOS 5.10 1 Feb 1995 line(1)